Manchester City have been charged with a breach of anti-doping rules, the Football Association has announced.
The matter refers to rules concerning 'club whereabouts', but no other information concerning the alleged breach was initially given.
A statement from the FA read: "Manchester City have been charged in relation to the FA's rules on anti-doping.
"It is alleged the club failed to ensure that their 'club whereabouts' information was accurate, contrary to Regulation 14(d). City have until 19 January 2017 to respond to the charge."
Source: PA
